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Substance Name: Phosphoric acid [NF]
RN: 7664-38-2
UNII: E4GA8884NN
InChIKey: NBIIXXVUZAFLBC-UHFFFAOYSA-N
Note
- Concise etchant is 37% H3PO4.
Molecular Formulas
- H3-O4-P
- H3-P-O4
Molecular Weight
- 97.9937
Classification Codes
Classification Codes
- Dental Materials
- Human Data
- Mutation Data
- Pharmaceutic Aid (Solvent)
- Skin / Eye Irritant
Superlist Classification Codes
- Reportable Quantity (RQ) = 5000 lb
- TWA 1 mg/m3
- TWA 1 mg/m3; STEL 3 mg/m3
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Names and Synonyms
Name of Substance
- Phosphoric acid
- Phosphoric acid [NF]
Synonyms
- Acide phosphorique
- Acide phosphorique [French]
- Acido fosforico
- Acido fosforico [Italian]
- Acidum phosphoricum
- Caswell No. 662
- CCRIS 2949
- EC 231-633-2
- EINECS 231-633-2
- EPA Pesticide Chemical Code 076001
- Evits
- FEMA No. 2900
- Fosforzuuroplossingen
- Fosforzuuroplossingen [Dutch]
- HSDB 1187
- Hydrogen phosphate
- NSC 80804
- o-Phosphoric acid
- Orthophosphoric acid
- Phosphoric acid
- Phosphoric acid, ortho-
- Phosphoricum acidum
- Phosphorsaeure
- Phosphorsaeureloesungen
- Phosphorsaeureloesungen [German]
- Sonac
- UNII-E4GA8884NN
- Wc-reiniger
- White phosphoric acid
Systematic Names
- Orthophosphoric acid
- Phosphoric acid
Superlist Names
- Phosphoric acid
- Phosphoric acid [UN1805] [Corrosive]
- UN1805
Registry Numbers
CAS Registry Number
- 7664-38-2
FDA UNII
- E4GA8884NN
Other Registry Numbers
- 1021417-41-3
- 1053657-23-0
- 1196963-54-8
- 178560-73-1
- 28602-75-7
- 959699-83-3
System Generated Number
- 0007664382
Structure Descriptors
InChI
1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)InChIKey
NBIIXXVUZAFLBC-UHFFFAOYSA-NSmiles
P(O)Toxicity
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| man | LDLo | unreported | 220mg/kg (220mg/kg) | "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M., Springfield, IL, C.C. Thomas, 1970Vol. 2, Pg. 73, 1970. | |
| rabbit | LD50 | skin | 2740mg/kg (2740mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: EXCITEMENT | BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. Vol. 17-4/1970, |
| rat | LC50 | inhalation | > 850mg/m3/1H (850mg/m3) | BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. Vol. 17-4/1970, | |
| rat | LD50 | oral | 1530mg/kg (1530mg/kg) | KIDNEY, URETER, AND BLADDER: HEMATURIA BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) SKIN AND APPENDAGES (SKIN): HAIR: OTHER | BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. Vol. 17-4/1970, |